{
	"$schema": "http://json-schema.org/draft-07/schema#",
	"title": "yaml-form form definition",
	"description": "YAML form definition accepted by yaml-form. Constraints the schema cannot express (unique ids, descriptor counts, rule keys) are checked at generation time.",
	"type": "object",
	"properties": {
		"title": {
			"type": "string",
			"minLength": 1
		},
		"lang": {
			"default": "en",
			"type": "string",
			"pattern": "^[A-Za-z]{2,3}(-[A-Za-z0-9]{1,8})*$"
		},
		"messages": {
			"type": "object",
			"properties": {
				"required": {
					"type": "string",
					"minLength": 1
				},
				"required_row": {
					"type": "string",
					"minLength": 1
				},
				"required_legend": {
					"type": "string",
					"minLength": 1
				},
				"submit": {
					"type": "string",
					"minLength": 1
				},
				"submitting": {
					"type": "string",
					"minLength": 1
				},
				"submit_failed": {
					"type": "string",
					"minLength": 1
				},
				"submit_success": {
					"type": "string",
					"minLength": 1
				},
				"comment": {
					"type": "string",
					"minLength": 1
				},
				"noscript_warning": {
					"type": "string",
					"minLength": 1
				},
				"clear_selection": {
					"type": "string",
					"minLength": 1
				},
				"draft_restored": {
					"type": "string",
					"minLength": 1
				},
				"draft_discard": {
					"type": "string",
					"minLength": 1
				},
				"draft_discarded": {
					"type": "string",
					"minLength": 1
				}
			},
			"additionalProperties": false
		},
		"autosave": {
			"default": true,
			"type": "boolean"
		},
		"noindex": {
			"default": true,
			"type": "boolean"
		},
		"nofollow": {
			"default": true,
			"type": "boolean"
		},
		"id": {
			"type": "string",
			"minLength": 1
		},
		"version": {
			"type": "string",
			"minLength": 1
		},
		"description": {
			"type": "string"
		},
		"links": {
			"type": "array",
			"items": {
				"type": "object",
				"properties": {
					"title": {
						"type": "string",
						"minLength": 1
					},
					"url": {
						"type": "string",
						"minLength": 1
					},
					"target": {
						"type": "string",
						"enum": [
							"self",
							"blank"
						]
					}
				},
				"required": [
					"title",
					"url"
				],
				"additionalProperties": false
			}
		},
		"actions": {
			"anyOf": [
				{
					"type": "array",
					"items": {
						"oneOf": [
							{
								"type": "object",
								"properties": {
									"type": {
										"type": "string",
										"const": "log"
									}
								},
								"required": [
									"type"
								],
								"additionalProperties": false
							},
							{
								"type": "object",
								"properties": {
									"type": {
										"type": "string",
										"const": "post"
									},
									"url": {
										"type": "string",
										"minLength": 1
									}
								},
								"required": [
									"type",
									"url"
								],
								"additionalProperties": false
							},
							{
								"type": "object",
								"properties": {
									"type": {
										"type": "string",
										"const": "mailto"
									},
									"to": {
										"type": "string",
										"minLength": 1
									},
									"subject": {
										"type": "string"
									}
								},
								"required": [
									"type",
									"to"
								],
								"additionalProperties": false
							}
						]
					}
				},
				{
					"oneOf": [
						{
							"type": "object",
							"properties": {
								"type": {
									"type": "string",
									"const": "log"
								}
							},
							"required": [
								"type"
							],
							"additionalProperties": false
						},
						{
							"type": "object",
							"properties": {
								"type": {
									"type": "string",
									"const": "post"
								},
								"url": {
									"type": "string",
									"minLength": 1
								}
							},
							"required": [
								"type",
								"url"
							],
							"additionalProperties": false
						},
						{
							"type": "object",
							"properties": {
								"type": {
									"type": "string",
									"const": "mailto"
								},
								"to": {
									"type": "string",
									"minLength": 1
								},
								"subject": {
									"type": "string"
								}
							},
							"required": [
								"type",
								"to"
							],
							"additionalProperties": false
						}
					]
				}
			]
		},
		"post_submit": {
			"type": "object",
			"properties": {
				"message": {
					"type": "string"
				},
				"links": {
					"type": "array",
					"items": {
						"type": "object",
						"properties": {
							"title": {
								"type": "string",
								"minLength": 1
							},
							"url": {
								"type": "string",
								"minLength": 1
							},
							"target": {
								"type": "string",
								"enum": [
									"self",
									"blank"
								]
							}
						},
						"required": [
							"title",
							"url"
						],
						"additionalProperties": false
					}
				}
			},
			"additionalProperties": false
		},
		"items": {
			"minItems": 1,
			"type": "array",
			"items": {
				"oneOf": [
					{
						"type": "object",
						"properties": {
							"type": {
								"type": "string",
								"const": "constant"
							},
							"title": {
								"type": "string",
								"minLength": 1
							},
							"id": {
								"type": "string",
								"minLength": 1
							},
							"description": {
								"type": "string"
							},
							"required": {
								"default": false,
								"type": "boolean"
							},
							"visible_when": {
								"type": "string"
							},
							"value": {
								"type": "string"
							},
							"from_url": {
								"default": false,
								"type": "boolean"
							},
							"hidden": {
								"default": false,
								"type": "boolean"
							}
						},
						"required": [
							"type",
							"title",
							"id",
							"value"
						],
						"additionalProperties": false
					},
					{
						"type": "object",
						"properties": {
							"type": {
								"default": "short_text",
								"type": "string",
								"const": "short_text"
							},
							"title": {
								"type": "string",
								"minLength": 1
							},
							"id": {
								"type": "string",
								"minLength": 1
							},
							"description": {
								"type": "string"
							},
							"required": {
								"default": false,
								"type": "boolean"
							},
							"visible_when": {
								"type": "string"
							},
							"input_type": {
								"type": "string",
								"enum": [
									"email",
									"tel",
									"url",
									"number"
								]
							},
							"autocomplete": {
								"type": "string",
								"minLength": 1
							}
						},
						"required": [
							"title",
							"id"
						],
						"additionalProperties": false
					},
					{
						"type": "object",
						"properties": {
							"type": {
								"type": "string",
								"const": "long_text"
							},
							"title": {
								"type": "string",
								"minLength": 1
							},
							"id": {
								"type": "string",
								"minLength": 1
							},
							"description": {
								"type": "string"
							},
							"required": {
								"default": false,
								"type": "boolean"
							},
							"visible_when": {
								"type": "string"
							}
						},
						"required": [
							"type",
							"title",
							"id"
						],
						"additionalProperties": false
					},
					{
						"type": "object",
						"properties": {
							"type": {
								"type": "string",
								"const": "choice"
							},
							"title": {
								"type": "string",
								"minLength": 1
							},
							"id": {
								"type": "string",
								"minLength": 1
							},
							"description": {
								"type": "string"
							},
							"required": {
								"default": false,
								"type": "boolean"
							},
							"visible_when": {
								"type": "string"
							},
							"choices": {
								"minItems": 1,
								"type": "array",
								"items": {
									"anyOf": [
										{
											"type": "string",
											"minLength": 1
										},
										{
											"type": "object",
											"properties": {
												"title": {
													"type": "string",
													"minLength": 1
												},
												"value": {
													"type": "string",
													"minLength": 1
												}
											},
											"required": [
												"title"
											],
											"additionalProperties": false
										}
									]
								}
							},
							"multiple": {
								"default": false,
								"type": "boolean"
							}
						},
						"required": [
							"type",
							"title",
							"id",
							"choices"
						],
						"additionalProperties": false
					},
					{
						"type": "object",
						"properties": {
							"type": {
								"type": "string",
								"const": "choice_table"
							},
							"title": {
								"type": "string",
								"minLength": 1
							},
							"id": {
								"type": "string",
								"minLength": 1
							},
							"description": {
								"type": "string"
							},
							"required": {
								"default": false,
								"type": "boolean"
							},
							"visible_when": {
								"type": "string"
							},
							"items": {
								"minItems": 1,
								"type": "array",
								"items": {
									"anyOf": [
										{
											"type": "string",
											"minLength": 1
										},
										{
											"type": "object",
											"properties": {
												"title": {
													"type": "string",
													"minLength": 1
												},
												"id": {
													"type": "string",
													"minLength": 1
												}
											},
											"required": [
												"title"
											],
											"additionalProperties": false
										}
									]
								}
							},
							"choices": {
								"minItems": 1,
								"type": "array",
								"items": {
									"anyOf": [
										{
											"type": "string",
											"minLength": 1
										},
										{
											"type": "object",
											"properties": {
												"title": {
													"type": "string",
													"minLength": 1
												},
												"value": {
													"type": "string",
													"minLength": 1
												}
											},
											"required": [
												"title"
											],
											"additionalProperties": false
										}
									]
								}
							},
							"multiple": {
								"default": false,
								"type": "boolean"
							}
						},
						"required": [
							"type",
							"title",
							"id",
							"items",
							"choices"
						],
						"additionalProperties": false
					},
					{
						"type": "object",
						"properties": {
							"type": {
								"type": "string",
								"const": "rubric"
							},
							"title": {
								"type": "string",
								"minLength": 1
							},
							"id": {
								"type": "string",
								"minLength": 1
							},
							"description": {
								"type": "string"
							},
							"required": {
								"default": false,
								"type": "boolean"
							},
							"visible_when": {
								"type": "string"
							},
							"items": {
								"minItems": 1,
								"type": "array",
								"items": {
									"type": "object",
									"properties": {
										"id": {
											"type": "string",
											"minLength": 1
										},
										"title": {
											"type": "string",
											"minLength": 1
										},
										"descriptors": {
											"minItems": 1,
											"type": "array",
											"items": {
												"type": "string"
											}
										}
									},
									"required": [
										"title",
										"descriptors"
									],
									"additionalProperties": false
								}
							},
							"choices": {
								"minItems": 1,
								"type": "array",
								"items": {
									"anyOf": [
										{
											"type": "string",
											"minLength": 1
										},
										{
											"type": "object",
											"properties": {
												"title": {
													"type": "string",
													"minLength": 1
												},
												"value": {
													"type": "string",
													"minLength": 1
												}
											},
											"required": [
												"title"
											],
											"additionalProperties": false
										}
									]
								}
							},
							"comment_per_row": {
								"default": false,
								"type": "boolean"
							}
						},
						"required": [
							"type",
							"title",
							"id",
							"items",
							"choices"
						],
						"additionalProperties": false
					}
				]
			}
		}
	},
	"required": [
		"title",
		"items"
	],
	"additionalProperties": false
}